This is the biggest arrest in recent times. As many as 36 businessmen have been arrested, a senior police officer said.

"Many of the arrested persons belong to reputed business families of Gurgaon, Faridabad and Delhi," he said, adding that among those held include players, table attendants and proprietors.

Two separate cases under the Delhi Gambling Act and Delhi Excise Act have been registered at Neb Sarai police station here.

A joint police team of Neb Sarai and Malviya Nagar here has conducted a raid at J-255, Sainik Farms in the wee hours today after they got a tip-off.

Almost two dozen people were found playing casino in the premises, the official said, adding that around "eleven luxury vehicles, 23 bottles of foreign made liquor and gambling chips worth ₹1,36,45,000 have been seized".

"We have also seized 250 packets of playing cards, wheel, spinning ball and other tools used in casino," he added.

As per the police, they will take steps to seal the property under the provisions of Delhi Gambling Act.

Police have also sought assistance from the intelligence department to collect information about places where gambling is organised during Diwali.

The ACPs and SHOs of all the police stations here have been instructed to keep a tight vigil since Diwali is the time when gambling sees a spurt.